.promote_banner{
    display: block;
    padding-top:79px;
    margin: 0 auto 80px;
}
.promote_banner img{
    display: block;
    width: 100%;
    margin: 0 auto;
}
.promote{
    width: 900px;
    margin: 0 auto;
    font-size: 0;
}
.promote li{
    display: inline-block;
    margin-right: 100px;
    margin-bottom: 70px;
    font-size: 0;
    overflow: hidden;
}
.promote .qc{
    margin-right: 0;
}
.promote li .promote_Head{
    float: left;
    width: 120px;
    margin-right: 10px;
}
.promote li .promote_span{
    float: left;
}
.promote li .promote_span .promote_b{
    font-size: 20px;
    color: #343434;
    display: block;
    margin: 10px 0;
}
.promote li .promote_span .promote_p{
    font-size: 14px;
    margin-bottom: 10px;
}
.promote li .promote_span .promote_tent{
    display: block;
    font-size: 14px;
}
.promote li .promote_span .promote_tent img{
    width: 18px;
    display: inline-block;
    vertical-align: middle;
    margin-right: 5px;
}

























